Asked by Mike
A dog runs down his driveway with a constant speed of 3.8 m/s for 5.2 s. He then accelerates to a speed of 6.9 m/s in 5.2 s.
How long is the driveway?
How long is the driveway?
Answers
Answered by
Damon
distance 1 = 3.8*5.2
speed 2 = (3.8+6.9)/2
distance 2 = speed 2 * 5.2
total distance = distance 1 + distance 2
speed 2 = (3.8+6.9)/2
distance 2 = speed 2 * 5.2
total distance = distance 1 + distance 2
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